Abstract:
A rotary drum filter includes a drum shell configured to rotate through a slurry, the drum shell having areas defining a plurality of drainage holes, at least one divider plate a first end and a second end, the at least one divider plate disposed on an outer surface of the drum shell and extending longitudinally and laterally along the drum shell, the first end being disposed near a drainage hole, and a filter medium disposed on one or more grids that are disposed on the outer surface of the drum shell above the at least one divider plate. The at least one divider plate is configured to direct filtrate on the outer surface of the drum shell filtered through the filter medium into the drainage hole.
Abstract:
A shower pipe assembly to provide a wash liquid for washing a pulp mat, comprising: a shower pipe with areas defining oblong orifice openings extending through the wall; and a combination plate paddle configured to be removed and configured to be adjusted along the wall, wherein the combination plate paddle comprises a plate and a paddle, wherein the plate has areas defining a plate opening as adjacent to and configured to communicate with at least one oblong orifice opening of the shower pipe in an open position, wherein the opening formed by the oblong orifice opening in the pipe and the plate can be adjusted by moving the combination plate paddle along the wall of the pipe, and the combination plate paddle is slideably engaged to the shower pipe by fasteners.
Abstract:
A method for using a washer press for washing and dewatering a wide range of solids concentrations of pulp in liquid suspensions includes multiple distinct displacement wash zones about a drum with multiple nips.
Abstract:
A washer press apparatus for washing and dewatering a wide range of solids concentrations of pulp in liquid suspensions includes multiple distinct displacement wash zones about a drum with multiple nips.
Abstract:
A flash tank including: a closed interior chamber; a gas exhaust port coupled to an upper portion of the chamber; a liquid discharge port coupled to a lower portion of the chamber; an inlet nozzle attached to an inlet port of the chamber, wherein the inlet nozzle includes a flow passage, and a movable valve plate in the flow passage, wherein the valve plate has a first position which defines a first throat in the flow passage and a second position which defines a second throat having a smaller cross-sectional area than the first throat.
Abstract:
A flash tank including: a closed interior chamber; a gas exhaust port coupled to an upper portion of the chamber; a liquid discharge port coupled to a lower portion of the chamber; an inlet nozzle attached to an inlet port of the chamber, wherein the inlet nozzle includes a flow passage, and a movable valve plate in the flow passage, wherein the valve plate has a first position which defines a first throat in the flow passage and a second position which defines a second throat having a smaller cross-sectional area than the first throat.
Abstract:
A washer press apparatus for washing and dewatering a wide range of solids concentrations of pulp in liquid suspensions includes multiple distinct displacement wash zones about a drum with multiple nips.
Abstract:
A scrubber removes matter (e.g., particulate, gaseous, or liquid) from a gas stream in order to recover the matter and/or to clean the gas. In particular aspects, the scrubber contains multiple venturis that may provide additional flexibility and increased efficiency. The invention also pertains to related methods.
Abstract:
A rotary drum filter comprising one or more divider plates disposed between the drum's outer surface and grids disposed radially outward from the drum's outer surface. The divider plates are desirably diagonally disposed along the drum's outer surface and have at least one end disposed near a drainage hole. The divider plates and open sections under the grids between circumferentially adjacent grids permits filtrate to flow under the grids. The divider plates and open sections under the grids permit the filtrate to flow into the nearest drainage hole while increasing the run underneath the grids, thereby permitting more filtrate to exit through a limited number of drainage holes.